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60Y3787
System board with Intel Core™ 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, TPM, 8-MB
ROM
60Y3839
System board with Intel Core 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, TPM, 4-MB ROM
60Y3790
System board with Intel Core 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, non-TPM,
8-MB ROM
60Y3840
System board with Intel Core 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, non-TPM,
4-MB ROM
• To identify the system board originally installed in your computer, go to PEW at the following web site:
http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY
Select Warranty Lookup. Input the machine type and the serial number. Use the system board listed on
PEW.
Important notices for handling the system board:
When handling the system board, bear the following in mind.
• The system board has an accelerometer, which can be broken by applying several thousands of G-forces.
Note: Dropping a system board from a height of as little as 6 inches so that it falls at on a hard bench
can subject the accelerometer to as much as 6,000 G's of shock.
• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or
composite.
• If a system board is dropped, you must test it, using PC-Doctor for DOS if the system supports PC-Doctor
for DOS, to make sure that the HDD Active Protection System™ still functions.
Note: If the test shows that the HDD Active Protection System is not functioning, be sure to document the
drop in a reject report, and replace the system board.
• Avoid rough handling of any kind.
• At every point in the process, be sure not to drop or stack the system board.
• If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or
conductive corrugated material.
After replacing the system board, run PC-Doctor for DOS to make sure that HDD Active Protection still
functions. The procedure is as follows:
1. Place the computer on a horizontal surface.
2. Run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test.
Attention: Do not apply physical shock to the computer while the test is running.
For access, remove these FRUs in order:
• “1010 Battery pack” on page 71
• “1020 Hard disk drive (HDD) cover, HDD, and HDD rubber rails or solid state drive (SSD) and storage
converter” on page 71
• “1030 DIMM” on page 74
• “1040 Keyboard” on page 77
• “1050 Palm rest or palm rest with ngerprint reader” on page 80
• “1060 Backup battery” on page 82
• “1070 PCI Express Mini Card for wireless LAN/WiMAX” on page 83
• “1080 PCI Express Mini Card for wireless WAN” on page 86
• “1090 Intel Turbo Memory Minicard or Wireless USB PCI Express Half-Mini Card” on page 87
• “1100 Keyboard bezel” on page 88
• “1110 Monaural speaker assembly (for X200, X200s, X201s, and X201si)” on page 89
• “1120 I/O card assembly” on page 90
Chapter 8. Removing and replacing a FRU 101